In pictures: Before the iPhone -The kings of mobile
The iPhone redefined mobile computing four years ago, but several other devices from the BlackBerry pager to the iPaq once enjoyed the same reign
The devices that once ruled the mobile market
Today, with everyone trying to copy the iPhone's gesture-based interface and mix of messaging, applications and Internet, it's hard to believe there was a time the iPhone and its wannabes didn't exist. But in fact, before the iPhone's 2007 debut, mobile technology was defined by several different makes and models. Here's a tour of the key mobile devices that gained mass appeal and redefined the mobile market in their own times.



